2025 Compare Climate & Weather:
Kapaa, HI vs Poipu, HI

Highlights

On average, there are 239 sunny days per year in Poipu. Kapaa averages 239 sunny days per year. The US average is 205 sunny days.

Poipu, Hawaii gets 27.5 inches of rain, on average, per year. Kapaa, Hawaii gets 60.2 inches of rain, on average, per year. The US average is 38.1 inches of rain per year.

Poipu averages 0 inches of snow per year. Kapaa averages 0 inches of snow per year. The US average is 27.8 inches of snow per year.

Weather Highlights

Poipu, Hawaii
Summer High: the July high is around 85.3 degrees
Winter Low: the January low is 64.4
Rain: averages 27.5 inches of rain a year
Snow: averages 0 inches of snow a year

Kapaa, Hawaii
Summer High: the July high is around 85 degrees
Winter Low: the January low is 63.8
Rain: averages 60.2 inches of rain a year
Snow: averages 0 inches of snow a year

BestPlaces Comfort Index

The annual BestPlaces Comfort Index for Poipu is 8.5 (10=best), which means it is less comfortable than most places in Hawaii.

The annual BestPlaces Comfort Index for Kapaa is 8.1 (10=best), which means it is one of the least comfortable places in Hawaii.

Today's Weather - Kapaa, HI

72°F

Today's Weather - Poipu, HI

72°F

Average Monthly High / Low (°F)

Hot, Freezing, Rainy, Snowy Days: Kapaa / Poipu

September is the hottest month for Kapaa with an average high temperature of 85.5°, which ranks it as warmer than most places in Hawaii. In Kapaa, there are 9 comfortable months with high temperatures in the range of 70-85°. The most pleasant months of the year for Kapaa are January, February and March.

September is the hottest month for Poipu with an average high temperature of 86.1°, which ranks it as warmer than most places in Hawaii. In Poipu, there are 9 comfortable months with high temperatures in the range of 70-85°. The most pleasant months of the year for Poipu are February, January and March.

February has the coldest nighttime temperatures for Kapaa with an average of 63.5°. This is warmer than most places in Hawaii.

February has the coldest nighttime temperatures for Poipu with an average of 63.7°. This is warmer than most places in Hawaii.

In Kapaa, there are 4.6 days annually when the high temperature is over 90°, which is hotter than most places in Hawaii.

In Poipu, there are 2.1 days annually when the high temperature is over 90°, which is about average compared to other places in Hawaii.

In Kapaa, there are 0.0 days annually when the nighttime low temperature falls below freezing, which is one of the coldest places in Hawaii.

In Poipu, there are 0.0 days annually when the nighttime low temperature falls below freezing, which is one of the coldest places in Hawaii.

In Kapaa, there are 0.0 days annually when the nighttime low temperature falls below zero°, which is about average compared to other places in Hawaii.

In Poipu, there are 0.0 days annually when the nighttime low temperature falls below zero°, which is about average compared to other places in Hawaii.

November is the wettest month in Kapaa with 7.8 inches of rain, and the driest month is June with 3.2 inches. The wettest season is Spring with 29% of yearly precipitation and 19% occurs in Autumn, which is the driest season. The annual rainfall of 60.2 inches in Kapaa means that it is wetter than most places in Hawaii.


December is the wettest month in Poipu with 4.7 inches of rain, and the driest month is June with 0.8 inches. The wettest season is Spring with 38% of yearly precipitation and 11% occurs in Autumn, which is the driest season. The annual rainfall of 27.5 inches in Poipu means that it is drier than most places in Hawaii.

July is the rainiest month in Kapaa with 22.9 days of rain, and February is the driest month with only 14.2 rainy days. There are 233.8 rainy days annually in Kapaa, which is rainier than most places in Hawaii. The rainiest season is Autumn when it rains 28% of the time and the driest is Spring with only a 21% chance of a rainy day.

December is the rainiest month in Poipu with 11.2 days of rain, and May is the driest month with only 7.8 rainy days. There are 114.4 rainy days annually in Poipu, which is less rainy than most places in Hawaii. The rainiest season is Winter when it rains 27% of the time and the driest is Summer with only a 23% chance of a rainy day.

There is rarely any recorded snowfall in Kapaa, ranking it as one of the least snowy places in Hawaii.

There is rarely any recorded snowfall in Poipu, ranking it as one of the least snowy places in Hawaii.

Any measurable snowfall is a rare occurance in Kapaa.

Any measurable snowfall is a rare occurance in Poipu.